Boiler.



P; PAGZIGA.

BOILER. AP PLIOATION FILED JUNE 22, 1911.

1,015,065, Patented Jan. 16, 1912.

f I f 'Be it known that I, FRANK PAcz Ieg acitizen ofthefUnited States, and resident of the cit Ydi'k and State of New York, .have invented s TES "PATENT -FEIC FRANVK rnc zren, pr new YORK, :N'. Y.

' BOILER;

To all it may concern:

of New York, in the county ofNew certain ,new ,and useful-improvements Boilers, of whichthe'following'isa speci ficatiom The present invention'rela'te's to boilers,

and more particularly to an ;=ir"nprovement in uniting the heads of. the body or shell thereof. I

One of the obj .tso provide a joint between; the-headiand the body of "the boiler without the use of rivets.

Another object of theiinvention is to produce a joint of this character whichis'simple tails of construction without departing from 'tages of the invention.

'in. construction and efiicient in operation, producing a perfectly tight oint-between the two parts mentioned.

With these and other objects in view, which will more fully appear as the nature .of the invention is better'understood,ithe

same consists in the combination, arrange-- ment and construction ofparts hereinafter- 1 fully described, pointed out in the appended claims and illustrated in the, accompanying drawings, 'it being understood that many changes may be made in thesize and pro portion of the several parts and minor dethe" spirit or sacrificing y the @dvan;

One of the many possible embodimentsof the invention is lllus'trated -in the accompanying drawings, in which Figure l is a side elevatlonof a boiler constructed in accordance with the'present invention,. and Fig. 2 is a central longi-' tudinal section of the jo1nt.

In-the drawings a hot-water boller 1s shown arranged horizontally, comprising a cylindrical shell on body 3 of any. suitable material and size, to which" the heads 4, 4

are. attached in a-manner hereinafter to be described.'- Pipes 5, 5 are connected with the boiler for the well'known purpose. The boiler is, supported-by standards or legs-6,

6,, whichare connected'by substantially horizontal bars 7, 7-, to which bridges or saddles 8, Bare attached. The shell ofthe body rests upon these bridges or saddles;

While the boiler has been shown in horizontal position, it is obvious that the invention can be applied so verticalboilers just as well.

boilers to f the invention Specification of Letters Ifatent. Application filed June 22, 1911." Serial No. 634,787.

' It'will' be observed that solder layer 16, a packing ring of lead or' Patente Jamie, 1912.

diameter at its ends, as shown at 9, 9, wherewhich vary according to the requirements.

Since the joints between; the heads and'the I body of the boiler are exactly alike in con-.

- The body 31 of the boiler is enlarged in by sockets are formed, the lengths of soldered together at 16', care being taken that a layer of solder of [substantial thickness should" be formed."='- Upon this layer of solder and the shoulder 17 ofthe head-4 is then placed'a ring '18- of any suitable material and cross "section, its outer diameter being somewhat larger than the innerdiameter of the socket 9, so that said ring will have to be forced into said socket and-'re main secu'rely in position upon its seat during the further operations, which willbe presently described. 'After the ring is in its place, the free end of the socket 9, which is originally in the form shown in dotted. lines in Fig. '2 Of'thB drawings, isv then by 18 until its outer edge 19 contacts with the head 4. After this operation, the annular space between the'bead, so formed, and the head 4- is .filled with solder, as shown at 20, making a perfectly tight joint between the body and the head.

other soft material same result. I

It is obvious that the inner pressure upon maybe used; with the the boiler head tends to' compress the solder layer 16, and makes a tight joint. The bead upon the outer end off the socket prevents instead I of the means of a beading tool beaded over thering effectively the opening Oil-131181011113 and strengthens both the head andthe body of the boiler.

.Wha-t I claim is: .The combination with-a larged in diameter-at its end, ofa, sleeve attached tothe inner surface of said body proboiler body en a jecting into said enlarged end, whereby an annular recess is formed,a headhaving;

a flange located in said recess, said head and Signed at New York, in the county of body being united by soldering, and a ring New Yorkand State of New York, this 15th 10 pfiacedh upon said hheaii arid contgctimgi day'of June, A. D. 1911.

t roug out-lts perlp era per 1011 wit sei I boiler body, the outer portion of said boiler FRANK PAGZIGA' body-being beaded over said ring and .the 1 Witnesses:

annular space between said bead and head 1 SiG UND HERZOG,

being filled with solder. Y S.' BIRNBAUM.

Copies 01' this patent may be obtained for flve cents each, by addressing the Oommissioner of Patents, 1

Washington, D. 0. 

